AS Biology - Cardiac cycle (OCR A Chapter 8.5)

7:17
AS Biology - Control of heart contractions (OCR A Chapter 8.5)

8:43
The Cardiac Cycle is SO EASY! Stop Making it Hard!

13:26
AS Biology - Oxygen dissociation curve (OCR A Chapter 8.4)

14:33
A-level- CARDIAC CYCLE. Diastole, atrial systole, ventricular systoles +the pressure +volume changes

23:14
Anatomy of the heart

2:00:00
[ 40Hz ] GAMMA Binaural Beats, Ambient Study Music for Focus and Concentration

6:39
AS Biology - Carbon dioxide transport in red blood cells (OCR A Chapter 8.4)

25:22